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Scientist: Pollution destroying pre-Aztec Mexican ruins

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posted on Jan, 23 2007 @ 02:32 PM

(CNN)-MEXICO CITY, Mexico (Reuters) -- Oil refineries and power stations pumping acid air pollutants along Mexico's Gulf coast threaten to erase carved stone murals at the pre-Aztec ruined city of El Tajin, a scientist said on Sunday.

Air pollution specialist Humberto Bravo said acid levels in the air around El Tajin, in oil producing Veracruz state, were among the highest in Mexico.

Bravo, who spent four years simulating the effects of polluted air and acid rain on El Tajin's soft limestone buildings, blamed the erosion on contaminants like chlorine, sulfates and nitrates in the air from power stations and oil refineries.

The city was built on the tropical coast of Veracruz by the Totonac civilization and was at its height from the early 9th to early 13th century.
The Aztecs, who ruled Mexico when the Spanish arrived, were at their strongest in the 13th and 14th centuries.

At its peak, the city, home to an elaborate niche-studded pyramid, was a power in an area that extended toward today's border with Texas and south into the realm of the Maya civilization

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